In the 1989, Journal of Number Theory paper, N. Tzanakis and B. de Wegner showed that the largest of the 6 triangular numbers that are products of three consecutive integers is 258,474,216. What are the three consecutive integers? Solution: Let x represent the first consecutive integer, x+1 the second consecutive integer and x+2 the third consecutive integer, then x(x+1)(x+2) = 258,474,216 x(x² + 3x+2) = 258,474,216 x+3x²+2x=258,474,216 x+3x+2x-258, 474,216 = 0 Use the factor theorem, long division and the quadratic formula 4
In the 1989, Journal of Number Theory paper, N. Tzanakis and B. de Wegner showed that the largest of the 6 triangular numbers that are products of three consecutive integers is 258,474,216. What are the three consecutive integers? Solution: Let x represent the first consecutive integer, x+1 the second consecutive integer and x+2 the third consecutive integer, then x(x+1)(x+2) = 258,474,216 x(x² + 3x+2) = 258,474,216 x+3x²+2x=258,474,216 x+3x+2x-258, 474,216 = 0 Use the factor theorem, long division and the quadratic formula 4
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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